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A048456 First terms from generation 1 onwards. 1
2, 3, 7, 13, 30, 56, 127, 237, 530, 994, 2192, 4144, 9016, 17192, 36949, 71023, 151024, 292340, 616032, 1199556, 2508660, 4909028, 10201810, 20044004, 41437560, 81683022, 168134730, 332321130, 681582636, 1350091410, 2760703019 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..30.

CROSSREFS

For "Generations" see A048448-A048455. See also A047844.

Sequence in context: A255516 A113884 A070218 * A262829 A071899 A242389

Adjacent sequences:  A048453 A048454 A048455 * A048457 A048458 A048459

KEYWORD

nonn

AUTHOR

Patrick De Geest, May 15 1999.

STATUS

approved

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Last modified July 16 23:49 EDT 2019. Contains 325092 sequences. (Running on oeis4.)